Flow price: --
71e3bf6f0482fd8ce670bdd85778f5635121f1ba737035b1fcb1956715bd4830

Transaction

Hash: 71e3bf6f0482fd8ce670bdd85778f5635121f1ba737035b1fcb1956715bd4830
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 71e3bf6f0482fd8ce670bdd85778f5635121f1ba737035b1fcb1956715bd4830:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
71e3bf6f0482fd8ce670bdd85778f5635121f1ba737035b1fcb1956715bd4830
Status:
ERROR
Block height:
39874399
Block id:
b1be1f7cc477d75f92c52da35a5c99cc1d294a89849f21fb633062df006f6855
Timestamp:
Friday 28 October 2022 at 15:35:35 UTC
()
Proposer:
Authorizers:
Gas used:
49